Hoshizora's father remarried to an older daughter named Alice. Hoshizora, who lost his mother at an early age and has lived with his father for a long time, is confused by his sister-in-law who suddenly appeared, but drowns in a sweet relationship with her sister-in-law. Alice, a lesbian, wanted to hold a cute starry sky like a doll she would live with. And the opportunity will come soon.
